DiTomaso, J. M. and E. A. Healy. 2006. Weeds of California and Other Western States. Volume 1: Aizoaceae to Fabaceae. University of California Department of Agriculture and Natural Resources. 834 pp.

DiTomaso, J. M. and E. A. Healy. 2006. Weeds of California and Other Western States. Volume 2: Geraniaceae to Zygophyllaceae. University of California Department of Agriculture and Natural Resources. 974 pp.

Holmgren, N. H. 1998. Illustrated Companion to Gleason and Cronquist’s Manual: Illustrations of the Vascular Plants of Northeastern United States and Adjacent Canada. The New York Botanical Garden, Bronx, NY. 937 pp.

Meadows, R. and Saltonstall, K. 2007. Distribution of native and introduced Phragmites australis in freshwater and oligohaline tidal marshes of the Delmarva Peninsula and southern New Jersey. Journal of the Torrey Botanical Society. 134(1).

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